fix typo

Author: eottabom

contents/books/technical-leader.mdx

@@ -2,7 +2,7 @@
 title: "테크니컬 리더"
 date: "2025-10-16"
 cover: "/img/book/technical-leader.jpg"
-summary: "제럴드 M.와인버그 - 테크니컬 리더(Technical Leader)》"
+summary: "제럴드 M.와인버그 - 《테크니컬 리더(Technical Leader)》"
 ---
 
 :::neutral